Patents Assigned to Electronics and Telecommunications
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Publication number: 20120158288Abstract: Disclosed herein is a real-time path finding apparatus. The real-time path finding apparatus includes an input unit, an extraction unit, and an analysis unit. The input unit receives map-related information and real-time variation information. The extraction unit extracts path-finding information for performing path finding, from the map-related information and the real-time variation information. The analysis unit generates path-finding guidance by analyzing the map-related information of the path-finding information, and generates a path-finding route in consideration of the real-time variation information of the path-finding information together with the path-finding guidance.Type: ApplicationFiled: November 23, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sung-June CHANG, Hang-Kee KIM, Chang-Joon PARK
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Publication number: 20120155434Abstract: Disclosed are an apparatus and a method transmitting uplink control signals. The method for transmitting uplink control signals includes allocating resources on an uplink control channel commonly used by a first control signal requesting an uplink data channel and a second control signal requesting automatic retransmission to a transmitter; transforming the first control signal and the second control signal into a predetermined symbol; changing a phase of the transformed and output symbol, when the first control signal is transmitted or when the first control signal and the second signal are simultaneously transmitted; and spreading an output symbol of which the phase is changed by a spreading code to transmit the spread output symbol using the resources on the allocated uplink control channel.Type: ApplicationFiled: December 13, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Ki Hyuk PARK
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Publication number: 20120155461Abstract: An apparatus for managing a virtual network perform functions of a control plane and a management plane of a network element, including a plurality of forwarding elements forwarding packets, by a control management system, implemented separately from a network element.Type: ApplicationFiled: November 4, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Doyeon Kim, Jae Gi Lee, Taesang Choi
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Publication number: 20120159650Abstract: An apparatus for recognizing security situation and generating situation information based on spatial linkage of physical and IT security, the apparatus includes: a security event collection unit for mapping, when a security event is detected from a security device, unique information of the security device to a location or an object in a real space, and collecting correlated security events based on the mapped information; a security situation awareness unit for determining a type of a security situation and a degree of threat based on the correlated security events; and a situation information generation unit for analyzing a correlation between the correlated security events and the security event to generate security situation information.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyeon Koo CHO, Beom Hwan CHANG, Chi Yoon JEONG
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Publication number: 20120158377Abstract: A method for searching for neighboring particles includes: setting neighbor target particles of a current particle to calculate mutual influences between the neighbor target particles and the current particle; selecting neighboring particles depending on a calculation result of the mutual influences to store indexes of the neighboring particles in the current particle; updating locations and information of the current particle based on power of the mutual influences and proceeding to a next time step; determining the neighboring particles selected at a previous time step as the neighbor target particles; and repeating above steps starting from said calculating mutual influences regarding the newly determined neighbor target particles.Type: ApplicationFiled: December 2, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Soon Hyoung PYO, BONKI KOO
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Publication number: 20120155333Abstract: A lawful interception apparatus activates, invocates, and terminates a lawful interception using a SIP (session initiation protocol) message that is transmitted and received between a terminal to be intercepted and an IP multimedia subsystem.Type: ApplicationFiled: November 11, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research Institute of DaejeonInventors: Byungsik YOON, Song In Choi, Manho Park, Junghak Kim, Jung Been Lee, Do Hoon Kim, Taehoon Um, Hoh Peter In
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Publication number: 20120159111Abstract: Exemplary embodiments of the present invention can reduce physical memory usage of programs executed in an operating system by immediately releasing an allocated memory region at the time of a request of unloading the memory region if it is determined that the memory region which is allocated by programs executed in the operating system becomes unnecessary. A method for memory management includes making a request of unloading a memory region from programs; reclaiming a physical memory region allocated to the programs; and maintaining a record of the memory region that the programs intend to use.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Ik-Soon KIM, Chae Deok LIM
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Publication number: 20120158177Abstract: A system achieves seamless localization for a plurality of robots when first some robots moves to a shadow area where GPS signals are not received while remaining second robots receives the GPS signals, by performing an absolute localization for the second robots using the GPS signals; and performing an absolute localization for the second robots using the GPS signals; performing a relative localization for the first robots based on the second robots, thereby determining an absolute location of the first robots. Further, when the second robots move to the shadow area where the first robots have been moved, the system performs the seamless localization by determining a relative location of the second robots based on the first robots on which the relative localization has been performed, thereby determining an absolute location of the second robots based on the relative location of the second robots.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicants: The Industry & Academic Cooperation in Chungnam National University, Electronics and Telecommunications Research InstituteInventors: Chang Eun LEE, Tae-Kyung SUNG, Sung Hoon KIM, Hyun-Ja IM, Young-Jo CHO
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Publication number: 20120159574Abstract: A system is provided to provide an information sharing service for network attacks. The system includes a service provider configured to collect and analyse information on detection and response policies to network attacks, a service registry that stores the collected information on the detection and response policies, and client terminals, each client terminal configured to request the information sharing service and search the service registry for the information on the detection and response policies.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Il Ahn CHEONG
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Publication number: 20120157141Abstract: Provided is a contention based uplink transmission method. A base station may assign a contention based radio network temporary identifier (CB-RNTI) to a plurality of terminals, and terminals assigned with the same CB-RNTI may perform contention uplink transmission using the same radio resource.Type: ApplicationFiled: December 21, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Soon Yong LIM, Mi Jeong YANG, Ae Soon PARK
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Publication number: 20120154036Abstract: A digital pre-distortion (DPD) power amplifying apparatus and a method for digitally controlling synchronization of the DPD power amplifying apparatus, which includes a power amplifier, a bias shifter and a DPD unit, are provided. The method includes acquiring a DPD path delay time at a path along which an input signal is fed back to the DPD unit; delaying an input signal incoming to the power amplifier by the DPD path delay time and acquiring synchronization by delaying a bias signal a predetermined number of times until the bias signal and the delayed input signal are synchronized with each other; and in response to synchronization between the bias signal and the delayed input signal being established, pre-distorting the input signal according to a feedback signal output from the power amplifier.Type: ApplicationFiled: December 19, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jung-Hoon OH, Joon-Hyung Kim, Gweon-Do Jo, Young-Hoon Kim
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Publication number: 20120157077Abstract: Disclosed is a method of operating a femto base station (BS) in a wireless communication system, the method comprising: receiving an access request comprising a closed subscriber group (CSG) identifier (ID) from user equipment (UE); determining a number N of UE accessing the femto BS; ascertaining an access type to determine whether the UE is a CSG UE or a non-CSG UE of the femto BS on the basis of the CSG ID of the UE; and determining whether to admit access of the UE on the basis of the access type, the N and access admittable information, the access admittable information comprising UCSG, i.e., a maximum number of CSG UE of which access is admitted; UALL, i.e., a maximum number of non-CSG UE of which access is admitted; and UMAX, i.e., a maximum number of UE of which access is admitted.Type: ApplicationFiled: December 19, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research instituteInventors: Seung Que LEE, Hyung Deug BAE, Jun Sik KIM, Sang Chul OH, Kyong Tak CHO, Nam Hoon PARK
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Publication number: 20120159557Abstract: An apparatus for controlling contents transmission transmits contents received at a TV to at least one user terminal requesting a service. The apparatus selects at least one connection of a target terminal using user profile information of the target terminal and service profile information, coding the contents based on a coding scheme suitable for the selected connection, and transmits the coded contents to the target terminal.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kwihoon KIM, Chung Hyun AHN, Jin Woo HONG
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Publication number: 20120158248Abstract: A vehicle safety sensor control device is provided. The vehicle safety sensor control device may include a slope sensor portion sensing a slope of vehicle; a safety sensor portion sensing running safety information for a vehicle safety running; a sensing control angle generation portion sensing a sensing control angle from the sensed slope; and a safety sensor control portion controlling up and down direction angles of the safety sensor on the basis of a horizontal plane of vehicle depending on the sensing control angle.Type: ApplicationFiled: September 23, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Hee Suk, Chun-Gi Lyuh, Ik Jae Chun, Sanghun Yoon, Tae Moon Roh
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Publication number: 20120155363Abstract: Disclosed is an efficient scheduling apparatus and method for multi-cell transmission in evolved node bases (eNBs). An eNB scheduling for a multi-cell transmission service may allocate wireless resources based on a priority level, a minimum guaranteed bit rate, and a maximum bit rate. That is, a subframe may be efficiently used by minimizing the number of subframes allocated to a single session while satisfying a quality of service (QoS).Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Mo MOON, Ho Choong CHO, Sang Ho LEE
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Publication number: 20120154407Abstract: Provided are an apparatus and method for providing a simulation result as an image. The method includes performing a simulation of a predetermined system and generating a result log of the simulation, and converting the result log of the simulation into an image on the basis of a database storing a state and operation of a model of the system as image data. Accordingly, a simulation result of a system can be provided without detailed information about the system, an additional application, or a separate storage.Type: ApplicationFiled: November 4, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jin Myoung KIM, Hae Young LEE, In Geol CHUN, Won Tae KIM, Seung Min PARK
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Publication number: 20120154041Abstract: Provided is a predistortion apparatus which performs predistortion by reflecting a memory effect when linearizing an output of a nonlinear device using a wideband signal. The predistortion apparatus includes a predistortion unit and a coefficient extraction unit. The predistortion unit selects and outputs one of outputs of the sub-predistorters as an output signal according to intensity of an input signal. The coefficient extraction unit selects one of a plurality of coefficient extractors according to intensity of a nonlinear signal which is generated in response to the output signal, extracts a plurality of predistortion coefficients with the nonlinear signal and the output signal, and delivers the extracted predistortion coefficients to the predistortion unit. Accordingly, the memory effect is reflected even when the input signal is a wideband signal.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Young-Hoon KIM, Gweon Do JO, Jung Hoon OH, Jae Ho JUNG
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Publication number: 20120157154Abstract: A method and an apparatus for controlling transmission power in a femto base station is provided. The method includes: predicting femto base station interference to be given from an adjacent femto base station to a terminal; predicting macro base station interference to be given from a macro base station to the terminal; determining transmission power for the terminal; and transmitting a downlink signal to the terminal on the basis of the transmission power, wherein the femto base station interference is predicted on the basis of a distance between serving femto base station and the adjacent femto base station and the transmission power of the adjacent femto base station, and the macro base station interference is predicted on the basis of a distance between serving femto base station and the macro base station and the transmission power of the macro base station.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kyong Tak CHO, Jun Sik KIM, Seung Que LEE, Hyung Deug BAE, Sang Chul OH, Nam Hoon PARK
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Publication number: 20120153423Abstract: The present invention relates to a silicon photomultiplier with trench isolation for maintaining the photon detection efficiency high while increasing the dynamic range, by reducing the degradation of the effective fill factor that follows the increase of cell number density intended for a dynamic range enhancement.Type: ApplicationFiled: December 19, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Joon Sung LEE
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Publication number: 20120154189Abstract: Provided are a current switch driving circuit generating a signal for driving a current switch, and a digital-to-analog converter using the same. The current switch driving circuit includes a first PMOS transistor in which a source terminal is connected to a power supply terminal, a gate terminal receives an input signal, and a drain terminal outputs a driving signal, an NMOS transistor in which a drain terminal is connected to the drain terminal of the first PMOS transistor, and a gate terminal receives the input signal, a second PMOS transistor in which a source terminal is connected to a source terminal of the NMOS transistor, a gate terminal is connected to a bias voltage terminal, and a drain terminal is connected to a ground terminal, and a control current source allowing the second PMOS transistor to be maintained constantly in an ON state.Type: ApplicationFiled: December 2, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Reasearch InstituteInventors: Min-Hyung CHO, Yi-Gyeong Kim, Jong-Kee Kwon